Delete blink code for scroll-blocks-on

Source/core/testing/Internals.idl

Index: Source/core/testing/Internals.idl
diff --git a/Source/core/testing/Internals.idl b/Source/core/testing/Internals.idl
index 8201ee95c47dfe3b39a272d5833d3d4a062042fa..6d2bd768d4c802181a9edb3b91cf19751556a9f4 100644
--- a/Source/core/testing/Internals.idl
+++ b/Source/core/testing/Internals.idl
@@ -177,9 +177,8 @@
     const unsigned short LAYER_TREE_INCLUDES_PAINTING_PHASES = 4;
     const unsigned short LAYER_TREE_INCLUDES_ROOT_LAYER = 8;
     const unsigned short LAYER_TREE_INCLUDES_CLIP_AND_SCROLL_PARENTS = 16;
-    const unsigned short LAYER_TREE_INCLUDES_SCROLL_BLOCKS_ON = 32;
-    const unsigned short LAYER_TREE_INCLUDES_PAINT_INVALIDATION_OBJECTS = 64;
-    const unsigned short LAYER_TREE_INCLUDES_COMPOSITING_REASONS = 128;
+    const unsigned short LAYER_TREE_INCLUDES_PAINT_INVALIDATION_OBJECTS = 32;
+    const unsigned short LAYER_TREE_INCLUDES_COMPOSITING_REASONS = 64;
     [RaisesException, TypeChecking=Interface] DOMString layerTreeAsText(Document document, optional unsigned short flags);
     [RaisesException, TypeChecking=Interface] DOMString elementLayerTreeAsText(Element element, optional unsigned short flags);